| Penafiel to Illzach | 892.01 mi (1,435.55 km) |
| Penafiel to Ingre | 679.27 mi (1,093.19 km) |
| Penafiel to Irigny | 725.20 mi (1,167.10 km) |
| Penafiel to Isbergues | 828.87 mi (1,333.93 km) |
| Penafiel to Issoire | 651.31 mi (1,048.18 km) |
| Penafiel to Issoudun | 645.35 mi (1,038.58 km) |
| Penafiel to Issy-les-Moulineaux | 735.41 mi (1,183.53 km) |
| Penafiel to Istres | 695.37 mi (1,119.09 km) |
| Penafiel to Ivry-sur-Seine | 738.24 mi (1,188.08 km) |
| Penafiel to Jarville-la-Malgrange | 874.07 mi (1,406.69 km) |
| Penafiel to Jeumont | 864.32 mi (1,390.99 km) |
| Penafiel to Joigny | 739.89 mi (1,190.74 km) |
| Penafiel to Joinville-le-Pont | 742.21 mi (1,194.48 km) |
| Penafiel to Joue-les-Tours | 612.56 mi (985.82 km) |
| Penafiel to Jouy-le-Moutier | 736.38 mi (1,185.09 km) |
